<?php
class UIModel extends BaseModel
{
   public function main()
   {
		//
   }
   
   public function about()
   {
		//
   }
   
   public function show()
   {
		//
   }
   
   public function manage()
   {
	   	
   }
   
   public function settings()
   {
   	
   }
   
   public function login()
   {
		// instantiate a ChallengeGenerator object
        $chlgen = new ChallengeGenerator();
        // register challenge variable
        $chlgen->setChallengeVar();
        
        return $chlgen->getChallengeVar('challenge');
   }
}